Originally Posted by travelinmanS

The e channel at the China Ferry terminal required me to scan the data page of my passport. The e channels at Luo Hu, Luo Ma Zhou, the airport and HK-Macau ferry terminal on HK island all accepted the barcode. Unfortunately the Hong Kan station has no e channel accessible to foreigners so you must wait amongst your fellow travelers (mostly mainlanders) to get processed by an immigration officer. Hopefully they'll fix this soon.